Introducing Xamarin 3
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Interested in building cross-platform native mobile apps in C# and sharing, on average, 75% of your business logic across iOS, Android, and Windows Phone? Xamarin is your answer! On top of all the normal awesomness of Xamarin, Xamarin 3 brought tons of new goodies, including the Xamarin Designer for iOS, major IDE enhancements, improved code sharing, and Xamarin.Forms. Xamarin.Forms allows you to build three native UIs with one shared C# codebase.
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Introducing Xamarin 3
- 1. C# on 2.6 billion devices Pierce Boggan @pierceboggan pierceboggan.com
- 3. Automatically test your app on hundreds of mobile devices Create native iOS, Android, Mac and Windows apps in C#
- 10. Anything you can do in Objective-C, Swift or Java, can be done in C# with Xamarin.
- 11. C# runs on 2.6 Billion Devices
- 12. How Xamarin Works C# + .NET Runtime Native UI Native Performance
- 13. What’s new in Xamarin 3
- 14. Major Elements in Xamarin 3 Xamarin Designer for iOS Major IDE Enhancements Improved Code Sharing Xamarin.Forms
- 15. Xamarin Designer for Android Fully integrated into Xamarin Studio & Visual Studio Multi-resolution editing Easy switch between design and Android XML Shipping for over 2 years
- 16. Xamarin Designer for iOS Fully integrated into Xamarin Studio & Visual Studio iOS 6 & 7 Storyboard support Intuitive event handling Support for auto-layout Live preview of custom controls
- 17. Xamarin Designer in Action
- 18. Xamarin Studio: Beautiful New Look
- 19. NuGet Package Manager Full support for using NuGet packages Take advantage of the many NuGet packages which are are now shipping with Xamarin compatibility – in Visual Studio or Xamarin Studio
- 20. Shared Projects The easiest way to share code Eliminates the hassle of file-linking Easier to collaborate with other Xamarin Studio and Visual Studio users
- 21. .NET BCL Documentation Full documentation for the .NET Base Class Libraries (BCL) Recently provided to community by Microsoft Integrated into Xamarin Studio
- 22. First Class F# Support
- 24. Xamarin + Xamarin.Forms With Xamarin.Forms: more code-sharing, native controls Traditional Xamarin approach Shared UI Code
- 25. Xamarin + Xamarin.Forms Shared UI Code Quickly and easily build native user interfaces using shared code Xamarin.Forms elements map to native controls and behaviors Mix-and-match Xamarin.Forms with native APIs
- 26. Pages Content MasterDetail Navigation Tabbed Carousel
- 27. Layouts Stack Absolute Relative Grid ContentView ScrollView Frame
- 28. Controls ActivityIndicator BoxView Button DatePicker Editor Entry Image Label ListView Map OpenGLView Picker ProgressBar SearchBar Slider Stepper TableView TimePicker WebView EntryCell ImageCell SwitchCell TextCell ViewCell
- 29. DEMO
- 30. Xamarin 3 Recap Xamarin Designer for iOS Major IDE Enhancements Improved Code Sharing Xamarin.Forms So much more!
- 31. Get your own C# or F# shirt today!
- 32. Learn more Unrivaled Mobile Development Training Live unlimited mobile development training from mobile experts, in your time-zone, on your schedule and as often as you'd like
- 33. Key Attendees
- 34. Get Started Today: xamarin.com/download
Notas do Editor
- Developer Evangelism Intern @ Xamarin From Auburn, Alabama Student at Auburn University studying Software Engineering Been interning on-and-off for three years in different roles for Xamarin Host the Xamarin Podcast with Chris Hardy (spoke here)
- -Going to go over new features in Xamarin 3 -A combination of over a year’s worth of development -Everything available for download today that we mention! -Before we get into Xamarin 3, let’s talk about what Xamarin is for those who are unfamiliar
- What is Xamarin? -Two Products -Xamarin Platform -Enables you to create iOS, Android, Mac, and Windows apps using C# -Backbone of the company -Xamarin Test Cloud -Still in Beta -Test your app on hundreds of physical devices -Android and iOS -Phones and tablets -User interface scripts -Identifies issues on apps -Xamarin QA actually uses it as well! Jumping into the Xamarin Platform
- -Vender-Specific Silo Approach -Most common -Three separate languages -Three separate toolkits -No sharing code -Different teams with different expertise -Not agile -Android rose quickly -Supporting new platforms with quick rise is tough
- -Biggest misconception -Cross-Platform = Magic Box -Write Once, Run Anywhere -Write app once with single codebase -Drop into magic box -Think Java SWING -Good -Share code -One language -Problem -Abstraction frameworks cannot express the patterns and variations of each platform’s design language -Lowest Common Denominator -Want access to 100% native APIs
- -Fully native mobile apps written in C# -Graphic -Share lots of code -Business logic, input validation, etc. -Share ~75% code across platforms -Accelerate time to market -Productivity -Savings -Platform-Specific UI stuff -Many *think* this is a negative -But is actually a positive -Build rich applications -Deliver optimal performance -Leverage every last inch of functionality exposed by the underlying platform and device -Power + comfort of C# and .NET -.NET BCLs -LINQ -Start with existing teams -C# and Visual Studio = productive from Day 1
- -Windows developers are familiar with these namespaces -Core .NET libraries -Windows Phone/Store = more platform-specific APIs
- -Taken all the native APIs for iOS and made them available for C# developers -1-to-1 mapping from Objective-C to C# -Some things are C#-ified -Button click events -.NET BCL access -System.Net -System.Linq
- -Android bits also mapped to C# -100% API coverage -NFC, printing, etc., all works! -Power of C# and .NET Framework as well Working up towards a theme..
- As a result of this, C# now runs on 2.6 billion devices
- Xamarin apps look and feel native because they are native. What really is native? What defines native? -Native UI -Native API Access -Just went over both of these -Native Performance -How do Xamarin apps work and how performant are they? -Mono Runtime for Android -Compile to IL -Converted to native instructions at runtime just JIT -Often faster than Dalvik at times -AOT on iOS -C# compiles down to IL -Xamarin creates LLVM bit code and uses same LLVM Compiler/Optimizer that Apple uses for Obj-C
- -Just gave an overview to Xamarin -We are here to celebrate Xamarin 3 -What is Xmaarin 3
- Lots of elements, but these are some of the major ones Designer -Deeply integrated into IDE IDE Enhancements -For both Xamarin and Visual Studio Improved Code Sharing -Already could share lots, now can share more Xamarin.Forms -Build 3 native UIs with a single, shared C# codebase -Allows you to share up to 100% code
- -Shipping for over two years -In both Xamarin and Visual Studio -Drag-and-Drop -Windows world! -Multi-layout editing to make it easy to design for all form factors
- -Full integration into Xamarin and Visual Studio -Incorporated elements that people like about VS UI design -Develop on the design surface -Easily add callbacks to events -No Interface Builder -Switch between iOS 6 and iOS 7 with a button click -Extensive support for AutoLayout -Live preview of custom controls -Can see data live as you change properties -No gray boxes!
- Play video!
- Major IDE Enhancments Xamarin Studio -IDE for Windows and Mac What’s new with Xamarin Studio in Xamarin 3? -Refreshed UI -Added high-resolution artwork for Retina displays -Hundreds of new Icons -Redesigned Welcome page -Portal that helps you get started -RSS feed from blogs -Starter packs / samples
- -Fully integrated NuGet Package Manager in Xamarin Studio -Beautiful UI -Add, update, remove packages -Project templates can install NuGet packages when a new project created -Xamarin.Forms does this -Deep integration with Xamarin Studio -Solution Window -Universal Search -X.S automatically restores NuGet packages that are missing when a solution loads -No need to add packages to source control -Seamless access to great libraries -Xamarin.Auth/Social/Mobile -Xamarin.Forms -Azure Mobile Services -Linq-to-Twitter -JSON.NET -Couchbase -MailKit
- Old sharing approaches: -File linking -PCLs -Enter: Shared Projects -New technology from Microsoft introduced in Visual Studio 2013 Update 2 -Makes it easy to write common code between multiple platforms -Treated as part of the projects that reference it -Can switch back and forth between different versions -Xamarin.Forms uses this
- Tooltips now shown when writing code within Editor
- -F# is now a first-class citizen -One year of development work -What is F# -Type Providers -Rachel Reese NYC / NDC Oslo 2014 Talk -Use C# and F# together! -F# week was two weeks ago -Lots of great resources -Rachel Reese: Introduction to F# with Xamarin -David Siegel: Reproduced Tinder Swipe animation in F# -F# contest -Finish by July 21st 8AM EDT -Build your first F# app, I am
- Xamarin.Forms: Three UIs, One Shared C# Codebase -Write your UI once, and it will run on Android, iOS, and Windows Phone -Doesn’t this contract myself? -Each control is mapped to a native control on each platform -Platform-specific access if you need it -Features -Phone? -UI -Camera?
- Left = traditional Xamarin approach Right = Xamarin.Forms approach -Highly productive -Share code
- -Build native user interfaces -Demo in a second -Build out UI on each platform -Code -XAML -Access platform-specific APIs if you need -Custom renderers -dependencyservice -Entirely optional -Different approaches -All Xamarin.Forms -Some Xamarin.Forms -Xamarin.Forms -> Non-Xamarin Forms -Works with existing MVVM libraries -MVVMCross -MVVMLight -Though has built-in MVVM support -Custom databinding
- -Start at highest-level, then work down to smallest -Pages = screen -Content -Most used -MasterDetail -Tabbed -Native on each platform -iOS = bottom -Android = top -Windows Phone = Pivot -Carousel
- -Inside a page are layouts -Handle how a page’s controls are organized and presented -Many similar to existing Windows Store / Android layouts -StackLayout -StackPanel!
- -Over 40 controls, layouts, and pages to mix and match from -Out-of-the-box -Can create your own -Xamarin.Forms labs -Community-supported -Bindings -Entry -UITextField -EditText -TextBox
- -I’m wearing a C# shirt! -You can get an C# or F# shirt now! -Look “sharp” Xamarin.com/Shirt
- Talked about a lot today. Lots to learn. 6 days a week. Live online mobile classes. Around 2 hours each New courses available today for: Xamarin.Forms iOS Designer New Code Sharing Strategies and more Become a Certified Mobile Developer